Zhirui Deng 邓智睿

Zhirui Deng 邓智睿

Renmin University of China

I am a 4-th year PhD student at Gaoling School of Artificial Intelligence, Renmin University of China, advised by Zhicheng Dou (窦志成) and Ji-Rong Wen (文继荣).

I graduated from Renmin University of China with a Bachelor’s degree in Computer Science and Technology and a second Bachelor’s degree in Data Science and Big Data Technology in 2021.

My research interest includes large language model (LLM) agents, diversity, and information retrieval.

🔥 News

  • 2025.04:  🎉🎉 FairDiverse: A Comprehensive Toolkit for Fair and Diverse Information Retrieval Algorithms, received by SIGIR 2025 paper.

📝 Publications

Patent
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From Novice to Expert: LLM Agent Policy Optimization via Step-wise Reinforcement Learning

Zhirui Deng, Ruibin Xiong, Yutao Zhu, Mang Wang, Weipeng Chen, Zhicheng Dou, Ji-Rong Wen

Project

  • LLM Agent Policy Optimization via Step-wise Reinforcement Learning.
SIGIR 2025
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FairDiverse: A Comprehensive Toolkit for Fair and Diverse Information Retrieval Algorithms

Chen Xu*, Zhirui Deng*, Clara Rus*, Xiaopeng Ye, Yuanna Liu, Jun Xu, Zhicheng Dou, Ji-Rong Wen, Maarten de Rijke

Project

  • A toolkit for reproducing and developing fairness- and diversity-aware Information Retrieval (IR) tasks.
WSDM 2024
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CL4DIV: A Contrastive Learning Framework for Search Result Diversification

Zhirui Deng, Zhicheng Dou, Yutao Zhu, Ji-Rong Wen

Project

  • Propose a contrastive learning framework for search result diversification.

🎖 Honors and Awards

  • 2024.10 Excellent Study Scholarship

📖 Educations

  • 2021.09 - now, Ph.D. student, Gaoling School of Artificial Intelligence, Renmin University of China, Beijing.
  • 2024.10 - 2025.04, Visiting Ph.D. student, University of Amsterdam, Netherland.
  • 2017.09 - 2021.06, Undergraduate, school of information, Renmin University of China, Beijing.

💻 Internships

  • 2023.11 - 2024.03, JD.com, Beijing, China.
  • 2024.4 - 2024.10, Baichuan, Beijing, China.